*ttps://jbbs.shitaraba.net/bbs/read.cgi/study/12348/1543116364/731
中身がこれ↓
*ttp://dev.biologists.org/content/develop/105/4/733.full.pdf
> The fact that ES cells can contribute to all tissues of the conceptus means that they can be used to study specific genetic effects, not only in the fetus, but also in important extraembryonic organs such as the placenta and visceral yolk sac.
